Cita APA (7th ed.)

Zobel, L. P. (1980). The travel writer's handbook. Writer's Digest Books.

Cita Chicago (17th ed.)

Zobel, Louise Purwin. The Travel Writer's Handbook. Cincinnati, Ohio: Writer's Digest Books, 1980.

Cita MLA (9th ed.)

Zobel, Louise Purwin. The Travel Writer's Handbook. Writer's Digest Books, 1980.